<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            text-align: center;
        }
        img{
            width: 100px;
            height: 40px;
        }
    </style>
</head>
<body>
    <div>
        请输入下方验证码:<input type="text">
    </div>
    <div>
        <img src="/ServletDome">
    </div>
</body>
</html>